Related:

• EXE: /eks'ee/ or /eek'see/ or /E-X-E/ n. An executable binary file.
  Some operating systems (notably MS-DOS, VMS, and TWENEX) use the extension ....
• MS-DOS:: /M-S-dos/ [MicroSoft Disk Operating System] n.
  A {clone} of {{CP/M}} for the 8088 crufted together in 6 weeks by hacker Tim Paterson, who is said to have regretted it ever since....
• LPT: /L-P-T/ or /lip'it/ or /lip-it'/ n. Line printer, of course.
  Rare under UNIX, more common among hackers who grew up with ITS, MS-DOS, CP/M and other operating systems that were strongly influenced by early DEC conventions....
• TWENEX /twe'neks/ n. The TOPS-20 operating system by DEC -- the second proprietary OS for the PDP-10 -- preferred by most PDP-10 hackers over TOPS-10 (that i
  by those who were not ITS or WAITS partisans). TOPS-20 began in 1969 as Bolt, Beranek &...
• cat: [from `catenate' via {{UNIX}} `cat(1)'] vt. 1.
  [techspeak] To spew an entire file to the screen or some other output sink without pause....
• wallpaper: n. 1. A file containing a listing (e.g., assembly listing) or a transcript, esp.
  a file containing a transcript of all or part of a login session....
• wheel bit: n. A privilege bit that allows the possessor to perform some restricted operation on a timesharing system
  uch as read or write any file on the system regardless of protections, change or look at any address in the running monitor, crash or reload the system, and kill or create jobs and user accounts....
• operating system:: [techspeak] n. (Often abbreviated `OS') The foundation software of a machine, of course
  hat which schedules tasks, allocates storage, and presents a default interface to the user between applications....
• UN*X: n. Used to refer to the UNIX operating system (a trademark of AT&T) in writing, but avoiding the need for the ugly {(TM)} typography.
  Also used to refer to any or all varieties of Unixoid operating systems....